Home / 282,006.40-422,907.20-141,718.40

Finding the Fourth Proportional to 282,006.40, 422,907.20 and 141,718.40

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Solution

The fourth proportional to 282,006.40, 422,907.20 and 141,718.40 is: 212,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,006.40 : 422,907.20 = 141,718.40 : x
  2. Step 2: Convert to fraction form
    282,006.40/422,907.20 = 141,718.40/x
  3. Step 3: Cross multiply
    282,006.40x = 422,907.20 × 141,718.40
  4. Step 4: Simplify right side
    282,006.40x = 59,933,731,732.48
  5. Step 5: Solve for x
    x = 59,933,731,732.48/282,006.40
  6. Step 6: Final answer
    x = 212,526.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.